set(
  gfx_SOURCES
  DepthUnprojection.cpp
  DepthUnprojection.h
  Drawable.cpp
  Drawable.h
  DrawableGroup.cpp
  DrawableGroup.h
  GenericDrawable.cpp
  GenericDrawable.h
  MeshVisualizerDrawable.cpp
  MeshVisualizerDrawable.h
  LightSetup.cpp
  LightSetup.h
  MaterialData.h
  magnum.h
  RenderCamera.cpp
  RenderCamera.h
  Renderer.cpp
  Renderer.h
  WindowlessContext.cpp
  WindowlessContext.h
  RenderTarget.cpp
  RenderTarget.h
  ShaderManager.cpp
  ShaderManager.h
)

# If ptex support is enabled add relevant source files
if(BUILD_PTEX_SUPPORT)
  list(
    APPEND
    gfx_SOURCES
    PTexMeshDrawable.cpp
    PTexMeshDrawable.h
    PTexMeshShader.cpp
    PTexMeshShader.h
  )
endif()

find_package(
  Magnum
  REQUIRED
  AnyImageImporter
  AnySceneImporter
  GL
  MeshTools
  SceneGraph
  Shaders
  Trade
  AnyImageConverter
)

find_package(MagnumPlugins REQUIRED StbImageImporter StbImageConverter TinyGltfImporter)

find_package(MagnumIntegration REQUIRED Eigen)

find_package(Corrade REQUIRED Utility)
# TODO: enable the following flag and fix the compilation warnings
# set_directory_properties(PROPERTIES CORRADE_USE_PEDANTIC_FLAGS ON)
corrade_add_resource(ShaderResources ../../shaders/Shaders.conf)
list(APPEND gfx_SOURCES ${ShaderResources})

add_library(
  gfx STATIC
  ${gfx_SOURCES}
)

if(BUILD_WITH_CUDA)
  target_include_directories(
    gfx PRIVATE ${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES}
                ${CMAKE_CURRENT_LIST_DIR}/cuda_helpers
  )

  target_link_libraries(gfx PUBLIC ${CUDART_LIBRARY})
endif()

target_link_libraries(
  gfx
  PUBLIC assets
         core
         io
         physics
         Magnum::AnyImageImporter
         Magnum::AnySceneImporter
         Magnum::GL
         Magnum::Magnum
         Magnum::MeshTools
         Magnum::SceneGraph
         Magnum::Shaders
         Magnum::Trade
         MagnumPlugins::StbImageImporter
         MagnumPlugins::StbImageConverter
         MagnumPlugins::TinyGltfImporter
         MagnumIntegration::Eigen
         Corrade::Utility
         Magnum::AnyImageConverter
)

# Link windowed application library if needed
if(BUILD_GUI_VIEWERS)
  if(CORRADE_TARGET_EMSCRIPTEN)
    find_package(Magnum REQUIRED EmscriptenApplication)
    target_link_libraries(gfx PUBLIC Magnum::EmscriptenApplication)
  else()
    find_package(Magnum REQUIRED GlfwApplication)
    target_link_libraries(gfx PUBLIC Magnum::GlfwApplication)
  endif()
endif()

# Link appropriate windowless library
if(APPLE)
  find_package(Magnum REQUIRED WindowlessCglApplication)
  target_link_libraries(gfx PUBLIC Magnum::WindowlessCglApplication)
elseif(WIN32)
  find_package(Magnum REQUIRED WindowlessWglApplication)
  target_link_libraries(gfx PUBLIC Magnum::WindowlessWglApplication)
elseif(CORRADE_TARGET_EMSCRIPTEN)
  find_package(Magnum REQUIRED WindowlessEglApplication)
  target_link_libraries(gfx PUBLIC Magnum::WindowlessEglApplication)
elseif(UNIX)
  if(BUILD_GUI_VIEWERS)
    find_package(Magnum REQUIRED WindowlessGlxApplication)
    target_link_libraries(gfx PUBLIC Magnum::WindowlessGlxApplication)
  else()
    find_package(Magnum REQUIRED WindowlessEglApplication)
    target_link_libraries(gfx PUBLIC Magnum::WindowlessEglApplication)
  endif()
endif()

if(BUILD_TEST)
  add_subdirectory(test)
endif()
